package com.hmdp.interceptor;
import com.hmdp.utils.UserHolder;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.servlet.HandlerInterceptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class LoginInterceptor implements HandlerInterceptor {
    public LoginInterceptor(StringRedisTemplate stringRedisTemplate) {
        this.stringRedisTemplate = stringRedisTemplate;
    }

    private StringRedisTemplate stringRedisTemplate;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
//       判断是否需要拦截
        if(UserHolder.getUser()==null) {
            response.setStatus(401);
            return  false;
        }
//        放行
        return true;
    }
}
